FreeBSD -- Wi-Fi encryption bypass

Problem Description: The net80211 subsystem would fallback to the multicast key for unicast traffic in the event the unicast key was removed. This would result in buffered unicast traffic being exposed to any stations with access to the multicast key. Impact: As described in the "Framing Frames:...

Vulnerability of the net80211 kernel subsystem in FreeBSD operating systems, allowing a hacker to execute arbitrary code

The vulnerability in the net80211 kernel subsystem of FreeBSD relates to the lack of proper checking for the length of user data before it is copied into the buffer during 802.11 packet processing. Exploiting this vulnerability allows an attacker to execute arbitrary code...